What is the impact of Stop Routing

What is the impact of the Stop Routing button in ECE on
a) Shards being actively written to? Specifically, will a new shard be created on another node to takeover new traffic?
b) Ability to query the old data on that shard.

Or will this simply kick the cluster into a yellow state and Elastic will start to flip Replicas to primaries and make new replicas? Which would be similar to the Shard Allocation Filtering feature of ElasticSearch

What "stop routing" does it not allow the proxy to route external traffic to that node. It doesn't change any internal routing/shard allocation/etc

It's normally used in an "all or nothing" way, so it doesn't actually make much sense for it to be settable on a per-node basis, that's just a quirk of the implementation


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